Cleistosphaeridium selseyense
From dinoflaj3
"selseyense" Islam, 1983b, p.337, pl.2, figs.3,7. Holotype: Islam, 1983b, pl.2, fig.3. NOW Impletosphaeridium. Originally Cleistosphaeridium, subsequently (and now) Impletosphaeridium. Age: middle Eocene.
Parent: Cleistosphaeridium